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Re: HBase filter in scan - HBase - [mail # user]
...Not very easy, but using jRuby and java api, you can. But it is very depend on how you store you data.   ## function converts any value to bytes (using Bytes class methods) def toBytes(...
   Author: Andrey Stepachev, 2010-12-13, 20:28
Re: HBase cluster with heterogeneous resources - HBase - [mail # user]
...https://issues.apache.org/jira/browse/HDFS-236  How bad is HDFS random access?     - Random access in HDFS always seemed to have bad PR though hardly anyone    used ...
   Author: Andrey Stepachev, 2010-10-17, 07:59
[expand - 1 more] - Re: Using external indexes in an HBase Map/Reduce job... - HBase - [mail # user]
...Still don't understand. Looks like you want to optimize scans in hbase.  Lets invent method for you :).  1. Create you custom input format, which will override getSplits method. li...
   Author: Andrey Stepachev, 2010-10-13, 06:24
[expand - 1 more] - Re: Number of column families vs Number of column family qualifiers - HBase - [mail # user]
...2010/10/11 Jean-Daniel Cryans :  Yes. I agree. OOME unlikely. I misinterpreted my current problem. I found, that this (gc timeout) on my 0.89-stumpbleupon hbase occurs only if writeToWA...
   Author: Andrey Stepachev, 2010-10-11, 16:27
Re: I'm looking for usage examples of HBase. - HBase - [mail # user]
...2010/10/7 Hisayoshi Tamaki : Why no ldap? (OpenDS, OpenLDAP, ActiveDirectory)  Andrey....
   Author: Andrey Stepachev, 2010-10-07, 05:30
[expand - 7 more] - Re: Can't insert data into hbase, OOME. - HBase - [mail # user]
...Ok. I applied patch to internal git. 10 hours of mr job and still looks fine.  2010/9/30 Jean-Daniel Cryans :...
   Author: Andrey Stepachev, 2010-09-30, 18:02
Re: Client hanging 20 seconds after job's over (WAS: Re: Can I run HBase 0.20.6 on Hadoop 0.21?) - HBase - [mail # user]
...Perhaps the reason of those slowdowns are: 1. copy and unpack job jar. 2. start child java process...
   Author: Andrey Stepachev, 2010-09-28, 04:02
[expand - 2 more] - Re: Duplicates region after upgrade to 0.89 - HBase - [mail # user]
...this is restored data (before any upates and all region looks good)  http://paste.ubuntu.com/501716/  2010/9/27 Andrey Stepachev :...
   Author: Andrey Stepachev, 2010-09-27, 19:24
[expand - 1 more] - Re: Queries regarding Put and Scanner Result - HBase - [mail # user]
...2010/9/25 Imran M Yousuf :  I mean that if you put values in a row: key1 {   cf1:qual1:value1   cf1:qual2:value2   cf1:qual3:value3 }  and then put key1 {   cf1...
   Author: Andrey Stepachev, 2010-09-25, 18:12
[expand - 8 more] - Re: hbase-0.89/trunk: org.apache.hadoop.fs.ChecksumException: Checksum error - HBase - [mail # user]
...Run same job on hbase over hadoop: all works like a sharm.  I can give to conclusions: 1. some bug in standalone mode 2. memory, but i think this is not a case (disks are same, memory a...
   Author: Andrey Stepachev, 2010-09-22, 11:09
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